Indoors, a group of rock musicians with dishevelled hair and covered faces are performing hard. Due to the recent depletion of creative resources and the lack of new works, everyone is unwilling to disintegrate the band, so they have to come to a villa in the suburbs for closed training and creation. Because the villa has been uninhabited for many years, bats make nests here, and everyone jokingly calls it the "Bat Villa". Bassist Aqin (played by Wu Yi) is the soul of the band. He twists very vigorously. Lead singer Faye (played by Deng Ziyi) is singing the newly created "Bat". Suddenly, a terrible thing happened. A large number of bat corpses appeared in the villa. The bats hanging upside down on the roof launched a bloodthirsty attack on the crowd. The entire band members were shocked by this sudden phenomenon and had no choice but to go out. There was also a faint sound of a woman crying in the house. The chaotic thoughts confused people's nerves. With the occurrence of the first murder, more terrifying events followed...